diff --git a/.github/scripts/deploy-review-app.sh b/.github/scripts/deploy-review-app.sh
index 29c8a197a3e0df9dada12e0cf03aa2d929fc2707..21115080222d0b72cfc2235ff6abbba4d3c7f855 100755
--- a/.github/scripts/deploy-review-app.sh
+++ b/.github/scripts/deploy-review-app.sh
@@ -23,7 +23,7 @@ if ! flyctl status --app "$app"; then
 fi
 
 # Deploy
-flyctl deploy --app "$app" --region "$region"
+flyctl deploy --app "$app" --regions "$region"
 flyctl scale count 1 --app "$app" --yes
 
 # Post a comment on the PR